public static void Create(EntityCommandBuffer commandBuffer, int tick, Entity instigator, float3 center,
int collisionMask, SplashDamageSettings settings)
{
var request = new SplashDamageRequest
{
instigator = instigator,
tick = tick,
center = center,
collisionMask = collisionMask,
settings = settings
};
commandBuffer.AddComponent(commandBuffer.CreateEntity(), request);
}
void Damage(float3 origin, ref SplashDamageSettings settings, Entity instigator, Entity hitCollisionOwnerEntity, float3 centerOfMass)
{
// TODO (mogens) dont hardcode center of mass - and dont get from Character. Should be set on hitCollOwner by some other system
if (EntityManager.HasComponent <Character>(hitCollisionOwnerEntity))
{
var charPredicedState = EntityManager.GetComponentData <CharacterPredictedData>(hitCollisionOwnerEntity);
centerOfMass = charPredicedState.position + Vector3.up * 1.2f;
}
// Calc damage
var damageVector = centerOfMass - origin;
var damageDirection = math.normalize(damageVector);
var distance = math.length(damageVector);
if (distance > settings.radius)
{
return;
}
var damage = settings.damage;
var impulse = settings.impulse;
if (distance > settings.falloffStartRadius)
{
var falloffFraction = (distance - settings.falloffStartRadius) / (settings.radius - settings.falloffStartRadius);
damage -= (settings.damage - settings.minDamage) * falloffFraction;
impulse -= (settings.impulse - settings.minImpulse) * falloffFraction;
}
if (instigator != Entity.Null && instigator == hitCollisionOwnerEntity)
{
damage = damage * settings.ownerDamageFraction;
}
//GameDebug.Log(string.Format("SplashDamage. Target:{0} Inst:{1}", collider.hitCollision, m_world.GetGameObjectFromEntity(instigator) ));
var damageEventBuffer = EntityManager.GetBuffer <DamageEvent>(hitCollisionOwnerEntity);
DamageEvent.AddEvent(damageEventBuffer, instigator, damage, damageDirection, impulse);
}
